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blocks.go
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blocks.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package steps
import (
"context"
"strconv"
"time"
"code.vegaprotocol.io/vega/core/integration/helpers"
"code.vegaprotocol.io/vega/core/integration/stubs"
)
type EpochService interface {
OnBlockEnd(ctx context.Context)
}
func TheAverageBlockDurationIs(block *helpers.Block, dur string) error {
avg, err := strconv.ParseInt(dur, 10, 0)
if err != nil {
return err
}
block.Duration = avg
return nil
}
func TheAverageBlockDurationWithVariance(block *helpers.Block, dur, variance string) error {
if err := TheAverageBlockDurationIs(block, dur); err != nil {
return err
}
v, err := strconv.ParseFloat(variance, 64)
if err != nil {
return err
}
block.Variance = v
return nil
}
func TheNetworkMovesAheadNBlocks(exec Execution, block *helpers.Block, time *stubs.TimeStub, n string, epochService EpochService) error {
nr, err := strconv.ParseInt(n, 10, 0)
if err != nil {
return err
}
now := time.GetTimeNow()
for i := int64(0); i < nr; i++ {
epochService.OnBlockEnd(context.Background())
exec.BlockEnd(context.Background())
now = now.Add(block.GetDuration())
// progress time
time.SetTime(now)
}
return nil
}
func TheNetworkMovesAheadNEpochs(broker *stubs.BrokerStub, block *helpers.Block, exec Execution, epochService EpochService, ts *stubs.TimeStub, epochs string) error {
nr, err := strconv.ParseInt(epochs, 10, 0)
if err != nil {
return err
}
for i := int64(0); i < nr; i++ {
if err := TheNetworkMovesAheadToTheNextEpoch(broker, block, exec, epochService, ts); err != nil {
return err
}
}
return nil
}
func TheNetworkMovesAheadToTheNextEpoch(broker *stubs.BrokerStub, block *helpers.Block, exec Execution, epochService EpochService, ts *stubs.TimeStub) error {
ee := broker.GetCurrentEpoch()
last := ee.Epoch().GetSeq()
current := last
now := ts.GetTimeNow()
for current == last {
epochService.OnBlockEnd(context.Background())
exec.BlockEnd(context.Background())
now = now.Add(block.GetDuration())
ts.SetTime(now)
ee = broker.GetCurrentEpoch()
current = ee.Epoch().GetSeq()
}
return nil
}
func TheNetworkMovesAheadDurationWithBlocks(exec Execution, block *helpers.Block, ts *stubs.TimeStub, delta, dur string) error {
td, err := time.ParseDuration(delta)
if err != nil {
return err
}
bd, err := time.ParseDuration(dur)
if err != nil {
return err
}
now := ts.GetTimeNow()
target := now.Add(td)
for now.Before(target) {
exec.BlockEnd(context.Background())
now = now.Add(block.GetStep(bd))
ts.SetTime(now)
}
return nil
}